Ogwen25 - Yr Helgi Du

Ogwen | Yr Helgi Du 2025 is a mountain trail running event held at Plas y Brenin, the National Outdoor Centre in Capel Curig, Betws-y-Coed, North Wales. The race offers three distances—10K, 25K, and 40K—covering some of the highest peaks in England and Wales, including the Carneddau and Glyderau ranges. Participants experience technical terrain and epic trails along the imposing Eryri (Snowdonia) skyline, with spectacular views of the Ogwen Valley.

The event features marked trails, mountain leader support, friendly marshals, energy stations, and a lively event village with food, music, and shopping. Unique finisher mementos and professional timing enhance the experience. Visit the organization's website for the most recent information.